We certainly have not become less greedy or less stupid. The population has grown by half a billion since our last meeting, with no end in sight. At this rate, it will be eleven billion by 2100.

Their last meeting? Five years ago. He continued the interview by speaking on the amount of pollution in the air and the current danger of climate change.

While the Milankovitch cycle could be used to explain why the earth will increase its temperature with time, it does not take the rapid rise in levels of human pollution into account. Combine the Milankovitch cycle, the greenhouse effect and the melting of the ice caps. It is not only a matter will it affect us but when?

For example, with small rates of change, plants and animals could adapt to the worsening conditions. We could as well. Yet, the rapid rate of temperature change and its effects will make adapting to it near impossible.

Donald Trump in his own words:

What does this have to do with Trump supporters? It has to do with their inability to comprehend basic scientific fact. The earth is warming and its effects can be felt. It does not matter that as individuals they may or may not believe in this. What does matter? They support someone who does not. This inaction on their behalf will be the downfall of us all. It does not matter how much money you make today if your grandchildren will be searching for water and shelter from the sizzling sun.

With all due respect to Mr. Hawking, it doesn’t take a genius to figure that out.